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Q.

The valency of hydrogen and sulphate are 1 and 2 respectively. Then the formula of sulphuric acid is

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a

HSO4

b

H2SO4

c

H2SO2

d

H2SO3

answer is B.

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Detailed Solution

To find the molecular formula of the compound we should use “Criss-Cross method”.  The charge on hydrogen ion +1 and the charge on sulphate ion is2. So,the molecular formula of the compound is

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